TY  - BOOK
TI  - National Security Space Strategy
PY  - 2011///
CY  - United States of America
PB  - Departament of Defense
KW  - Estrategias de seguridad
KW  - Estados Unidos de América
UR  - http://www.defense.gov/home/features/2011/0111_nsss/docs/NationalSecuritySpaceStrategyUnclassifiedSummary_Jan2011.pdf
ER  -